Mineral resources are estimated and reported in compliance with NI 43-101.

Mineral resources are estimated at an NSR cut-off value of CA$180 per tonne.

Discounted metal price assumptions for REO of: US$4.70/kg for La2O3, US$2.90/kg for Ce2O3, US$64.50/kg for Pr2O3, US$57.30/kg for Nd2O3, US$5.80/kg for Sm2O3, US$501.20/kg for Eu2O3, US$10.80/kg for Gd2O3, US$572.80/kg for Tb2O3, US$304.30/kg for Dy2O3 and US$7.20/kg for Y2O3.

Metal recovery assumptions: 90.8% for La2O3, 87.9% for Ce2O3, 90.3% for Pr2O3, 90.7% for Nd2O3, 86.4% for Sm2O3, 85.6% for Eu2O3, 79.3% for Gd2O3, 75% for Tb2O3, 61.7% for Dy2O3 and 49.1% for Y2O3.

Metal price and recovery assumptions of US$45/kg and 65.5% respectively for Nb2O5.

Mineral resources are not mineral reserves and do not have demonstrated economic viability.

"Following the conversion from open pit to underground mining, resources have been classified using new criteria compared to the initial resource estimate of September 2011. Phase 2 drilling focused on the enrichment zone within the Core Zone and results are included in Total indicated resources. Phase 3 drilling focused on the dysprosium enrichment along the southern margin of the Core Zone and is represented by the Dysprosium Zone resource. After 36,346 meters of diamond drilling, Montviel has size, grade and distribution. Combined with our 100% hydroelectric process flow sheet design, Montviel has multigenerational potential. Congratulations to the team." comments Alain Cayer, Vice-President Exploration of GéoMégA.

About the Montviel REE and niobium project

Montviel is located approximately 100 km north of Lebel-sur-Quévillon and 45 km west of the Cree First Nation of Waswanipi in the urbanized southern part of Northern Québec. Montviel benefits from permanent road access, public infrastructure and skilled labour in the immediate project area.

About Neodymium (Nd) Permanent Magnets

Neodymium permanent magnets are key components of the clean energy technologies and other high-technology applications. End users are mostly manufacturers of automotive components, generators and electronic products, such as cell phones and hard disk drives. Neodymium permanent magnets offer significant weight and performance advantages in traction motors used in HEV vehicles and generators used in direct drive wind turbines.

According to the World Wind Energy Association, the year 2014 brought a new record in wind power installations with more than 50 Gigawatt of capacity added, bringing the global wind power capacity close to 370 Gigawatt. The market volume in 2014 for new wind capacity was 40 % bigger than in 2013. Each wind power megawatt produced with permanent magnet generators requires up to 180 kg of neodymium. According to Navigant Research's 2013-2020 Electric Vehicle Market Forecast, combined worldwide sales of hybrid and plug-in electric vehicles will reach 6.6 million annual units by 2020 and become almost 7% of the total light-duty vehicle market. These two fast growing markets highlight strong future demand fundamentals for permanent magnets manufactured with neodymium.

Total Mineral Resources Sensitivity to NSR cut-off Value

Total Indicated Resources

Pr2O3

Nd2O3

Eu2O3

Nb2O5

NSR cut-off
Value
(CA$/tonne)

NSR Value
(CA$/tonne)

Million
Tonnes

TREO
Grade (%)

Grade
(ppm)

Contained
(M kg)

Grade
(ppm)

Contained
(M kg)

Grade
(ppm)

Contained
(M kg)

Grade
(ppm)

Contained
(M kg)

150

334

82.5

1.51

766

63.2

2,450

202.2

52

4.3

1,714

141.4

180

335

82.4

1.51

766

63.2

2,452

202.0

52

4.3

1,715

141.3

200

335

82.1

1.51

768

63.0

2,455

201.7

52

4.3

1,719

141.2

225

337

81.0

1.52

771

62.5

2,467

199.9

52

4.2

1,731

140.3

250

341

77.7

1.53

779

60.6

2,493

193.8

53

4.1

1,767

137.4

Total Inferred Resources

Pr2O3

Nd2O3

Eu2O3

Nb2O5

NSR cut-off
Value
(CA$/tonne)

NSR Value
(CA$/tonne)

Million
Tonnes

TREO
Grade (%)

Grade
(ppm)

Contained
(M kg)

Grade
(%)

Contained
(M kg)

Grade
(ppm)

Contained
(M kg)

Grade
(ppm)

Contained
(M kg)

150

310

187.2

1.42

740

138.5

2,414

451.8

47

8.8

1,305

244.3

180

312

184.2

1.43

746

137.4

2,433

448.3

47

8.7

1,315

242.3

200

314

181.3

1.44

751

136.1

2,449

444.1

47

8.6

1,326

240.4

225

320

170.8

1.47

765

130.7

2,497

426.6

48

8.2

1,359

232.2

250

331

151.8

1.51

789

119.8

2,578

391.4

49

7.5

1,414

214.7

Total Mineral Resources Breakdown

Indicated Resources

Inferred Resources

82.4 million tonnes

184.2 million tonnes

Rare Earth Element

Oxide

Oxide
Grade
(%)

Contained
Oxide
(M kg)

Oxide
Grade
(%)

Contained
Oxide
(M kg)

Lanthanum

La2O3

0.40

329.48

0.36

666.03

Cerium

Ce2O3

0.73

604.90

0.70

1,290.69

Praseodymium

Pr2O3

0.08

63.16

0.075

137.36

Neodymium

Nd2O3

0.25

202.04

0.24

448.25

Samarium

Sm2O3

0.026

21.07

0.025

45.43

Europium

Eu2O3

0.005

4.29

0.005

8.67

Gadolinium

Gd2O3

0.009

7.70

0.008

15.23

Terbium

Tb2O3

0.001

0.63

0.001

1.28

Dysprosium

Dy2O3

0.003

2.18

0.002

4.40

Holmium

Ho2O3

0.0003

0.28

0.0003

0.56

Erbium

Er2O3

0.001

0.51

0.001

1.02

Thulium

Tm2O3

0.00006

0.05

0.00005

0.08

Ytterbium

Yb2O3

0.0003

0.29

0.0003

0.55

Lutetium

Lu2O3

0.00002

0.02

0.00002

0.03

Yttrium

Y2O3

0.008

7.00

0.008

13.84

Total

TREO

1.51

1,243.59

1.43

2,633.43

Details on the Parameters of the Resources Estimate

The mineral resource model prepared by Belzile Solutions Inc. considers 89 core boreholes (NQ size) drilled by GéoMégA during the period of 2010 to 2013. The drilling comprises approximately 21,746 assayed intervals with an average length of 1.45 meter.

Generally, drilling density is varying from 50m x 50m to 100m x 100m depending of the location within the deposit and the depth.

The mineral resource estimate has been completed using three-dimensional wireframe modelling. Geological interpretation identified 6 different domains in the area covered by drilling.

No high grade capping was applied since maximum value was 7 times higher than average TREO grade (coefficient of variation around 0.50).

Mineral resources results are presented undiluted and in situ.

The extents of the mineralization higher than 1.0% TREO encountered in drilling to date can be traced for a maximum of 700m in the NE-SW direction, 400m in the NW-SE direction and a maximum depth of 760m.

The bulk density is based on 308 specific gravity measurements taken from wrapped core samples. The average value for the samples was 2.92 t/m3.

The estimates were done using Ordinary Kriging (OK) as the geostatistical interpolation method based on 5.0 meter analytical composites. Resources were also estimated using Inverse Distance Squared (ID2) interpolation for testing and comparative purposes, which produced similar results, i.e. less than 1% difference in TREO and Nb2O5 grades.

All estimates were based on a block dimension of 10 meters long, 5 meters wide and 10 meters height with estimation parameters determined by variography.

Estimation was done using Geovia Gems software (V 6.7).

A 50m crown pillar located below the overburden-rock interface has been removed from the resources compilation.

The Company signed a buy-back option agreement on May 27, 2015 for the 2% royalty currently applicable to Montviel. This resource estimate does not include the 2% royalty.

Mineral resources are evaluated in Canadian currency using an exchange rate of 1.15 CA$/US$.

Mineral resources are estimated at a NSR -cut-off value of CA$180 per tonne corresponding to the total mining costs, processing costs, general and administrative costs, marketing costs and contingency based on the assumption of a 2,500 tonnes per day underground mining operation.

Metal recovery assumptions are based on tests results disclosed on May 20, 2015 and were adjusted to account for a final purification step following hydrometallurgy.

Elzéar Belzile, P. Eng., of Belzile Solutions Inc., independent qualified person as defined by NI 43-101, is responsible for the mineral resource estimate for Montviel and has verified the data disclosed in this news release.

Robert Marchand, P. Eng., Vice-President Mining Engineer of G Mining Services Inc. and Alain Cayer, P. Geo., M.Sc., Vice-President Exploration of GéoMégA are the qualified persons who supervised the preparation of the technical information in this news release.

The Technical Report, compliant with NI 43-101 standards, describing the mineral resource estimation and providing details of drilling programs and sampling will be filed on SEDAR (www.sedar.com) within 45 days.

GéoMégA is a mineral exploration and evaluation company focused on the discovery and sustainable development of economic deposits of metals in Québec. GéoMégA is committed to meeting the Canadian mining industry standards and distinguishing itself with innovative engineering, stakeholders' engagement and dedication to local transformation benefits.

56,989,560 common shares of GéoMégA are currently issued and outstanding.

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

Cautions Regarding Forward-Looking Statements

This news release contains forward-looking statements regarding our intentions and plans. The forward-looking statements that are contained in this news release are based on various assumptions and estimates by the Company and involve a number of risks and uncertainties. As a consequence, actual results may differ materially from results forecasted or suggested in these forward-looking statements and readers should not place undue reliance on forward-looking statements. We caution you that such forward-looking statements involve known and unknown risks and uncertainties, as discussed in the Company's filings with Canadian securities agencies. Various factors may prevent or delay our plans, including but not limited to, contractor availability and performance, weather, access, mineral prices, success and failure of the exploration and development carried out at various stages of the program, and general business, economic, competitive, political and social conditions. The Company expressly disclaims any obligation to update any forward- looking statements, except as required by applicable securities laws.